package lab02.test02;
import java.util.Scanner;
public class Test02 {
    public static void main(String[] args) {
        Circular Cr = new Circular();
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入圆的半径：");
        float radius = sc.nextFloat();
        Cr.setRadius(radius);
        Cr.area();
        Cr.perimeter();
    }
}
